<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>maxalloc</title>
    <link rel="stylesheet" type="text/css" href="csound.css" />
    <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" />
    <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" />
    <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" />
    <link rel="prev" href="maxaccum.html" title="maxaccum" />
    <link rel="next" href="max_k.html" title="max_k" />
  </head>
  <body>
    <div class="navheader">
      <table width="100%" summary="Navigation header">
        <tr>
          <th colspan="3" align="center">maxalloc</th>
        </tr>
        <tr>
          <td width="20%" align="left"><a accesskey="p" href="maxaccum.html">Prev</a> </td>
          <th width="60%" align="center">Orchestra Opcodes and Operators</th>
          <td width="20%" align="right"> <a accesskey="n" href="max_k.html">Next</a></td>
        </tr>
      </table>
      <hr />
    </div>
    <div class="refentry">
      <a id="maxalloc"></a>
      <div class="titlepage"></div>
      <a id="IndexMaxalloc" class="indexterm"></a>
      <div class="refnamediv">
        <h2>
          <span class="refentrytitle">maxalloc</span>
        </h2>
        <p>maxalloc — 
      Limits the number of allocations of an instrument.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123124816"></a>
        <h2>Description</h2>
        <p>
      Limits the number of allocations of an instrument.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123126176"></a>
        <h2>Syntax</h2>
        <pre class="synopsis"><span class="command"><strong>maxalloc</strong></span> insnum, icount</pre>
        <pre class="synopsis"><span class="command"><strong>maxalloc</strong></span> Sinsname, icount</pre>
      </div>
      <div class="refsect1">
        <a id="idp123129504"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>insnum</em></span> -- instrument number
    </p>
        <p>
      <span class="emphasis"><em>Sinsname</em></span> -- instrument name
    </p>
        <p>
      <span class="emphasis"><em>icount</em></span> -- number of instrument allocations
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123132992"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>maxalloc</em></span> limits the number of simultaneous instances (notes) of an instrument. Any score events after the maximum has been reached, are ignored.
    </p>
        <p>
      All instances of <span class="emphasis"><em>maxalloc</em></span> must be defined in the header section, not in the instrument body.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123135888"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the maxalloc opcode. It uses the file <a class="ulink" href="examples/maxalloc.csd" target="_top"><em class="citetitle">maxalloc.csd</em></a>.

      </p>
        <div class="example">
          <a id="idp123137664"></a>
          <p class="title">
            <strong>Example 478. Example of the maxalloc opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac      <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc    ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o maxalloc.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span>  <span class="op">=</span> 1

<span class="opc">maxalloc</span> 1, 3	<span class="comment">; Limit to three instances.</span>
 
<span class="oblock">instr</span> 1

asig <span class="opc">oscil</span> .3, p4, 1
     <span class="opc">outs</span> asig, asig

<span class="oblock">endin</span>
<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>
<span class="comment">; sine</span>
<span class="stamnt">f</span> 1 0 32768 10 1

<span class="stamnt">i</span> 1 0 5 220	<span class="comment">;1</span>
<span class="stamnt">i</span> 1 1 4 440	<span class="comment">;2</span>
<span class="stamnt">i</span> 1 2 3 880	<span class="comment">;3, limit is reached</span>
<span class="stamnt">i</span> 1 3 2 1320	<span class="comment">;is not played</span>
<span class="stamnt">i</span> 1 4 1 1760	<span class="comment">;is not played</span>
<span class="stamnt">e</span>
<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
          </div>
        </div>
        <p><br class="example-break" />

      Its output should contain messages like these:
      </p>
        <pre class="screen">
WARNING: cannot allocate last note because it exceeds instr maxalloc
      </pre>
        <p>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123142864"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="cpuprc.html" title="cpuprc"><em class="citetitle">cpuprc</em></a>, <a class="link" href="prealloc.html" title="prealloc"><em class="citetitle">prealloc</em></a>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp123145936"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: Gabriel Maldonado</td>
          </tr>
          <tr>
            <td>Italy</td>
          </tr>
          <tr>
            <td>July 1999</td>
          </tr>
        </table>
        <p>
    </p>
        <p>New in Csound version 3.57</p>
      </div>
    </div>
    <div class="navfooter">
      <hr />
      <table width="100%" summary="Navigation footer">
        <tr>
          <td width="40%" align="left"><a accesskey="p" href="maxaccum.html">Prev</a> </td>
          <td width="20%" align="center">
            <a accesskey="u" href="OpcodesTop.html">Up</a>
          </td>
          <td width="40%" align="right"> <a accesskey="n" href="max_k.html">Next</a></td>
        </tr>
        <tr>
          <td width="40%" align="left" valign="top">maxaccum </td>
          <td width="20%" align="center">
            <a accesskey="h" href="index.html">Home</a>
          </td>
          <td width="40%" align="right" valign="top"> max_k</td>
        </tr>
      </table>
    </div>
  </body>
</html>
